CONTRACT ASSETS AND CONTRACT LIABILITIES (Tables)

12 Months Ended

Dec. 31, 2018

Contract with Customer, Asset and Liability [Abstract]

Contract with Customer, Asset and Liability [Table Text Block]

Presented in the table below are the changes in deferred revenue during the year ended December 31 (in millions):



	2018
Deferred Revenue - Deferred mobilization and upgrade/modification revenue
Beginning balance	$	1.6
Plus: contractual additions ⁽¹⁾	51.0
Less: amortization	16.8
Ending balance	$	35.8

⁽¹⁾ Includes $28.6 million of deferred revenue related to capital expenditures for the Bess Brants, Earnest Dees, EXL I and EXL IV (all leased to ARO) to be received as reimbursement from ARO. A receivable of $28.6 million is included in Receivables - trade and other on the Consolidated Balance Sheet at December 31, 2018.

The following table sets forth deferred contract costs, demobilization contract assets and deferred revenue on the Consolidated Balance Sheets (in millions):



		December 31,
	Balance Sheet Classification	2018		2017
Deferred Contract Costs and Demobilization Contract Assets
Current	Prepaid expenses and other current assets	$	8.7	$	2.8
Noncurrent	Other assets	0.4		—
		$	9.1	$	2.8

Deferred Revenue - Contract Liabilities
Current	Deferred revenue	$	16.7	$	1.1
Noncurrent	Other liabilities	19.1		0.5
		$	35.8	$	1.6

Presented in the table below are the changes in deferred contract costs during the year ended December 31 (in millions):



	2018
Deferred Contract Costs Asset
Beginning balance	$	2.8
Plus: contractual additions	8.9
Less: amortization	8.1
Ending balance	$	3.6

Presented in the table below are the changes in contract assets (see Note 2) during the year ended December 31 (in millions):



	2018
Contract Assets - Demobilization
Beginning balance	$	—
Plus: contractual additions	5.5
Ending balance	$	5.5

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

Estimated future amortization at December 31, 2018 of our deferred revenue and deferred contract costs to be recognized over the expected recognition period is set forth in the following table (in millions):




	2019		2020		2021		2022		Total
Amortization of deferred revenue	$	16.7	$	9.6	$	8.5	$	1.0	$	35.8
Amortization of deferred contract costs	3.2		0.2		0.2		—		3.6